curl --request POST \
--url https://xuwuai.com/kling/v1/videos/effects \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '{
"model_name": "kling-v3",
"effect_scene": "rocketrocket",
"image": "https://example.com/ref.png",
"external_task_id": "effects-demo-001"
}'